Gemma (Charlotte Ritchie) receives a mysterious invitation to the birthday party of an enigmatic millionaire, Jeremy (Ed White). She must pass herself off as Jeremy's old friend and mingle with his glittering guests (Oliver Chris, Tom Stourton, Natasia Demetriou). But Gemma cannot help but wonder who Jeremy is and why on earth he has tasked her with such a peculiar job - there's something more to him than meets the eye.